[Increase in endogenous testosterone in the hypothalamus of the male rat at birth].
The evolution of serum and hypothalamic concentrations of endogenous testosterone was measured in newborn male and female Rats, from 0 up to 6 hrs. after birth. The serum testosterone surge observed in males between 0 and 2 hrs. was not found in the females. During this period, the hypothalamic concentration of testosterone increased in males but decreased in the females.
D000818:Animals; D000831:Animals, Newborn / Q000378:metabolism*; D005260:Female; D007031:Hypothalamus / Q000378:metabolism*; D008297:Male; D011247:Pregnancy; D051381:Rats; D012737:Sex Factors; D013739:Testosterone / Q000096:biosynthesis* / Q000097:blood
D013739:Testosterone
Augmentation de la testostérone endogène dans l'hypothalamus du rat mâle à la naissance.